Event: Norfolk Team Blitz-Championship

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Opponent	Rating	Result
Bruce M Carman	1357	1 - 0
Vivash Samarakoon	1880	0 - 1
Steve J Pullinger	1916	0 - 1
Mark Lim	1893	0 - 1
David E Hall	1711	0 - 1
Joseph Grant	1780	0 - 1
Sam Gallant	1600	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1448 = (12137 + 400 * (1 - 6)) / 7)